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The Separation of Intrinsic and Scattering Seismic Attenuation in South Korea.
- Source :
- Bulletin of the Seismological Society of America; Dec2010, Vol. 100 Issue 6, p3183-3193, 11p, 1 Diagram, 2 Charts, 7 Graphs
- Publication Year :
- 2010
-
Abstract
- For the separation of intrinsic (Q<subscript>i</subscript><superscript>-1</superscript>) and scattering attenuation (Q<subscript>s</subscript><superscript>-1</superscript> in South Korea, coda observations represented by the multiple-lapse time windows method were numerically simulated using the direct simulation Monte Carlo method. The simulation showed that the depth-dependent velocity model separated by crust and mantle fit better than the uniform velocity model. Under a uniform attenuation assumption, the Q<subscript>i</subscript><superscript>-1</superscript> and total<subscript>t</subscript><superscript>-1</superscript> in South Korea represent the lowest values among current global measurements. These low attenuation values can be explained by the inactive seismicity of South Korea corresponding to those of the seismically stable area such as a shield. [ABSTRACT FROM AUTHOR]
- Subjects :
- SEISMOLOGY
EARTHQUAKES
SEISMIC waves
MONTE Carlo method
STOCHASTIC processes
Subjects
Details
- Language :
- English
- ISSN :
- 00371106
- Volume :
- 100
- Issue :
- 6
- Database :
- Supplemental Index
- Journal :
- Bulletin of the Seismological Society of America
- Publication Type :
- Academic Journal
- Accession number :
- 58484568
- Full Text :
- https://doi.org/10.1785/0120100054